Sprinkler head or nozzle for filter beds



July 14,1931. I I BEDDOES 1,814,112

SPRINKLER HEAD OR NOZZLE FOR FILTER BEDS Filed March 24, 1928 2 Sheets-Sheet 1 if i 29 Zfifli July 14, 1931. H. BEDDOES 1,814,112

SPRINKLER HEAD OR NOZZLE FUR FILTER BEDS Filed March 24, 1928 2 shuts-sneer 2 l 22 H J!- i Patented July'1 4, 1931 HUBER? BEDDOES, OF CHICAGO, ILLINOIS, ASSIGNOR TO PAIGIFICIFLUSH TANK com- PA NY, OF CI-IICAGQ-ILLINOIS, A CORPORATION OF ILLINOIS SPRINKLER Help on NOZZLE Fen. FILTER BEDS Application filed March 24, 1928. Serial No. 264,338.

My invention relates more particularlyto sprinkler heads or nozzles for filter beds, such as are employed in connection with sewage disposal systems. I

In such filter beds it is common to dispose at suitable intervals sprinkler heads or nozzles which project upwardly through the bed and are provided with cones. in alignment with circular outlets so that the liquid is sprayed or spread in all directions about the nozzles. In order that the nozzle parts may be cleaned, repaired or replaced, it has been the practice in the past to make the top of the nozzle removable and in some instances the cone spindle has beenmade so that it is separately removable from the nozzle. Owing to the ease with which the parts could be separated by mere manipulations of the hand, considerable trouble has been experienced by reason of the theft or other unauthorized removal of these removable parts. It has also been customary in the past to support the cone spindle on a wide web or cross bar cast integral with the nozzle body or cap but this structure has not been entirely satisfactory due to the fact that solid matter collects on the wide Web, impairing the eflicieney of the device and necessitating more frequent cleaning. Further if the web is broken, due to the cone being tramped upon or kicked, the entire part with which the web is integral'must be replaced. 1

One of the principal objectsof my invention is to provide novel means for locking the cap or headto a pipe or base member, and a special tool for disabling the locking means to permit removal of the cap or head only by an authorized person, thus preventing theft of this part.

A further object of my invention is to pro? vide spring means, preferably in the form of a split ring,'for locking the cap or head on the base member, the spring means also prefer ably performing the function of causing the cap or head to seat firmly on the base member.

In one form of embodiment of the invenr tion the spring ring may be provided with in tegral handles for effecting release of the I ring and removal of the cap or head.

Another important object of my invention is to provide novel means for closing the nozright or upside-down condition. If desirable,

a separate blankor solid cap, having a spring rlng, may be substituted for'the regular cap with the cone to close the nozzle.

inside the base, 7

Still another-object of the invention is to 7 provide a thin separable Web, supporting the spindle so that the Web may be readily replaced in case of breakage, which occasionally results from some attendant tramping on or kicking the cone. The web is so shaped that when it is assembledzwith the head and spindle coacting means will center the cone so that its axis coincides with the axis of the jet of liquid. In the drawings accompanying and forming a partof this specification, Fig. 1 shows a side elevation of the device embodyingmy invention, the cap and tubular base being shown partly in cross section;

Fig. 2 is a top plan View of the device showing the hand tool applied for releasing the cap fromthe base;

Fig. 3 is a view corresponding to that of Fig. 1,'except that the cap and cone are shown in reverse or upside-down condition to close the nozzle; r

Fig. 4 is a fragmentary section taken through lock ring and tool, as on the line 4: 4 ofFig.2; p

' Fig. 5 is avertical section taken through the cap and cone, the spindle being also shown partly in section;

Fig. 6 is a cross section through the cap, the section being taken as on the line 66 of Fig. 5 and the spindle being partly in section;

Fig. 7 is a bottom plan View of the cap with the spindle and cone attached;

Fig.- 8'is a fragmentary section taken through the'solid closing cap and part of the base member; and

Fig. 9 is a view of a modified. form of lock. ing ring having integral or permanently attached handles for operating the same.

Referring to Fig. 1, the nozzle structure in general comprises a tubular base or pipe section 11, a removable cap 12- having the nozzle opening 16, a spindle 13 supported on a web 11, and a spray cone 15. If desired, the cone 15 may be screwed on to the upper threaded end of the spindle 13, as illustrated in Fig. 5 or, if preferred, it may be made integral with the spindle or otherwise secured thereto. The base 11 is externally threaded for screwing into an outlet opening in the pipe hrough which the liquid is supplied.

The cap 12, as shown in Figs. 1, 5 and 6 is provided with a circumferential groove 18 in which is mounted a spring ring 19, which is provided with a gap 20 (Figs. 2 and The base 11 is provided with upwardly extending projections 21, preferably three in number, and the inner faces of these projections are provided with grooves or recesses 22, the upper sides of which are preferably beveled or slanting. Then the cap 12 is assembled on the base 11, as illustrated in Fig. 1, the spring ring 19, being inherently expansible in its plane, projects partly into the grooves 22 and firmly presses against the upper beveled sides of the grooves so that the cap is pressed downwardly at right angles to the plane of expansion of the ring, the ring thus firmly holding the lower face ofthe cap against the top edge of the base, to form a seal between these portions. The spring ring is of such tension that it cannot be compressed by the fingers so as to move it out of engagement with the grooves 22 in the lugs 21 and thus the ring locks the cap and spindle against unauthorized removal.

In order to remove the cap, to enable the parts to be cleansed or for any other purpose, I preferably provide a. separate tool 23, which is shown in Fig. 2 as applied to the ring 19. This tool comprises two semicircular portions 24 hinged together by a pin 2a and provided with-handles 25, (which may be integral with portions 24) and projections 26 which extend radially and inwardly (Figs. 2 and a). The project-ions 26 have fingers 26 adapted to rest on top of the cap and portions 26 having curved ends adapted to engage the spring ring 19. In applying the tool to the lock ring 19 the handles 25 are separated to extend the semi-circular portions 24 in order to permit the ends of the portions 26 to be brought into the plane ofthe ring- 19, this alignment being accomplished by the fingers 26 which reston the cap. The handles 25 are then drawn together and the portions 26 grip the ring and contract it, thus moving it out of engagement with the recesses 22 in the lugs 21 in which condition of the spring ring the cap may be removed byrais ing the tool. In replacing the cap 12 on the base 11 the reverse operation is carried out.

It will thus be seen that the spring ring 19 firmly locks the cap 12 on the base 11 and also forces the cap firmly against the top of the base, the separate tool being provided to release the cap from the base when desired.

In sprinkler installations where the clanger of theft of the parts is not likely, the spring ring 19 may be provided with integral (or otherwise attached) handles 28, as shown in Fig. 9, thus dispensing with the use of a separate tool for operating the ring 19 to permit removal of the cap from and its application to the base. I

The cap with the spindle and cone may be secured upside-down on the base 11, asshown in Fig. 3, in order to close the nozzle. The interior of thefibase is tapered or conical shaped, being larger at the top than at the bottom. lVhen the parts are in the condition shown in Fig. 3, the edge of the cone contacts with the. inside surface of the base closing off-the nozzle. In applying the cap in its upside-down condition, the tool 23 is employed and it will be noted that when the cap is so applied the spring ring 19 engages the upper beveled sides of the recesses 22 inthe lugs 21 so as to firmly seat the cap on top of the base.

In some instances it may be desirable to remove the cap and cone and-close the nozzle by a blank or solid cap 27 as shown in Fig. 8. The cap 27 is provided with a groove 18 and a spring ring 19 is mounted in the groove (like the groove 18 and ring 19 onthe cap 12 provided with the cone) so as to permit attachment and detachment of the solid cap 27.

The spindle 13 is mounted on the removable web-14: as shown in Figs. 5, 6 and 7. The Web is formed of a thin piece of metal so that it obstructs the opening 16 as little as possible. and collects but little solid matter. The web projects through a vertical slot 31 formed in the lower end of the spindle and a ring 32 is driven-over the lower endof the spindle so as to firmly secure the spindle to the web. A projection 30 (Fig. 5) extends downwardly from the lower edge of the web and fills the lower end of the slot 31. The upper edge of the web is provided with two projections 33 which form a recess 34 between them, the sides of the recess engaging the opposite sides of the spindle so as to accurately center the spindle on the web. The lower side of theeap 12 is provided with Vertical diametrically opposed slots 35 into which the ends of the Web are inserted with a sufficiently tight fit to hold'the same normally in place, but which will permit removal' of the same from the cap, though additional or other means may be provided for so holding the web on'the cap. The outer I movable mounted for engagement around 1ts circumedges of the projections 33 are curved to conform with the tapering curvature of the opening 16 in the cap 12 so that the web is accurately centered on the cap. By centering the spindle 13 on the web 14 and the web on the cap 12, axial alignment of the spindle with the axis of the opening in the cap is assured. It will be seen that if the web or spindle is broken it can be readily replaced, without replacing other parts.

I claim 1. In a nozzle, the combination of a tubular body adapted to be directly and detachably secured to a liquid-supply conduit, a spray device supported in substantially axial alignment with said body and detachable therefrom by movement outwardly in axial direction, spring means .for securing and locking said spray device in position on said body and which permits removal of said spray device without detachment or adjust-ment of parts other than said spring means, said spring means being incapable of release to separate said spray device except by use of K a separate tool.

- 2. In a nozzle, the combination of a hollow body having recess means, a cap, and a spring member between the cap and the body cooperating with said recess means to lock the cap in a predetermined position on the body, a spray device removably mounted on the cap, said spring means being arranged for movement out of cooperative relation with said recess means by a separate tool to permit removal of the cap.

3. In a nozzle, having a ming recesses, a cap adapted to seat on said seat and having a peripheral groove, a split spring ring in said groove normally of greater diameter than said cap and adapted to engage said camming recesses in said projections to lock the cap on said body, and a spray device carried by and removable from said cap.

4. In a nozzle, having a seat and projections having recesses, a cap adapted to seat on said seat and having a peripheral groove, a split spring ring in said groove normally of greater diameter than said cap and adapted to engage said recesses in said projections to lock the cap on said body, a spray device carried by and refrom said cap, said ring being the combination of a body ference between said projections by separate contracting means to contract the ring and thus, release the cap from the body.

5. In a nozzle, the combination of a body having a seat and projections having recesses, a cap adapted to seat on said seat and having a peripheral groove coinciding circumferentially with said recesses, a split spring ring in said groove, normally of greater diameter than said cap and adapted to engage in said seat and projections having cam the combination of a body recesses in said projections to lock the cap on the body, said recesses having portions engagedby said ring to force thecap at right angles to the plane of expansion ofthe ring in orderflto press saidcap against said seat, and a spray device carried by and removable from said cap.

6. In a nozzle, the combination of a body, a spray device constructed and arrangedto be secured to said body in an upright sprayreverse' position,

mg position and also in a said device being so. constructed and arranged relative to the. body as to close the body in said reversed position, and a spring ring for securlng said spray device on said body either 1n upright normal spraying condition or in the reversed condition to close the body.

7. In a nozzle, the combination of a body, a spray device constructed and arranged to close the. body when inverted from its normal spraying position, and a device for, se-

curing said spray device on said body both in its upright normal spraying condition and in the reverse condition to close the body.-

8. In anozzle, the combination of a body having an opening therethrough, a spray device mountable in said body in one position the ring being adapted to cooperate with said recess means to secure said cap in normal position or reverse position on the body, and a spray device carried by said cap and constructed and arranged to close said body when the cap is in reverse position.

10. In a nozzle, the combination of a hollow body having recess'means, a cap, and a spring member between the body and the cap, the spring member cooperating with the recess means to lock the cap in normal upright position or in its upside-down position on the body, a spray device on the cap constructed and arranged to close the body when the cap is in its upside-down position, said spring means being arranged for'movement out of operative relation with said recess means by separate tool means for permitting removal of the cap and spray device.

11. In a nozzle, the combination of a member having a central nozzle opening and narrow slots on opposite sides of the opening, a thin web adapted to fit in said slots so as to be removable therefrom, and aspray device carried by said web.

12. In a nozzle, the combination of a body member, a cap, adapted to be secured to the body member the cap having a central openlng-and narrow slots in its underside on-op-v posite sides of the central opening, a thin web adapted to fit in said slots so as to be removable from the cap, shoulders on said web for engaging the sides of the opening in said cap to center the web, and a spray device carried by said web.

13. In a nozzle, the combination of a body member, a cap adapted to'be secured to the body member and having a central opening and narrow slots, a spray device having a spindle, a thin web adapted to fit in said slots so as to be removable from the cap, means on the web for centering the web on the cap and means on the web for centering the spindle on the web.

14. In a nozzle, the combination of a body member, a cap adapted to be secured to the body member and having a central opening, a spray device, a thin web adapted to extend across said opening and'to'be detachably secured to said cap, shoulders on said web and'engaging' the. sides of said opening for centering the web on the cap, and shoulders on the web for centering the spray device on the web,

In testimony whereof, I have subscribed my name.

HUBERT- BEDDOES. 

